1309075840

素因数分解:

$2^7\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3191}}^1$

素因数の和:3851

約数の個数: 64

約数和(自身を含む): 3135373920

約数和(自身を除く): 1826298080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 641, 1282, 2564, 3191, 3205, 5128, 6382, 6410, 10256, 12764, 12820, 15955, 20512, 25528, 25640, 31910, 41024, 51056, 51280, 63820, 82048, 102112, 102560, 127640, 204224, 205120, 255280, 408448, 410240, 510560, 1021120, 2042240, 2045431, 4090862, 8181724, 10227155, 16363448, 20454310, 32726896, 40908620, 65453792, 81817240, 130907584, 163634480, 261815168, 327268960, 654537920, 1309075840]

約数ペア:

[(1, 1309075840), (2, 654537920), (4, 327268960), (5, 261815168), (8, 163634480), (10, 130907584), (16, 81817240), (20, 65453792), (32, 40908620), (40, 32726896), (64, 20454310), (80, 16363448), (128, 10227155), (160, 8181724), (320, 4090862), (640, 2045431), (641, 2042240), (1282, 1021120), (2564, 510560), (3191, 410240), (3205, 408448), (5128, 255280), (6382, 205120), (6410, 204224), (10256, 127640), (12764, 102560), (12820, 102112), (15955, 82048), (20512, 63820), (25528, 51280), (25640, 51056), (31910, 41024)]